At 10:45 AM 3/9/00 -0700, Dan Michaels wrote: >So, it is reasonable to think that a cap *blasted by an ESD bolt* >can possibly "reheal" by reforming its oxide layer, or may >"self-heal" with the charge blasting the electrode away in a local >area, but leaving intact the rest of the cap surface. (I'm not sure >if your reference to "s-h" & metallized caps applies to aluminum >electrolytics). Dan, "Self-Healing" only applies to metallized caps (with metallized electrodes), not electrolytics. I brought that up to prevent confusion with the "rehealing" property of electrolytics. - Tom >I wrote: >> The "rehealing" feature with electrolytics relates to the working >>electrolyte in that any faults in the oxide layer will be repaired by >>further anodization. This is a factor is the design of the cap. >> >> "Self-Healing" refers to metallized caps where a partial discharge >>results in a localized failure of the dielectric which burns away the >>metallized electrode effectively isolating the fault. ------------------------------------------------------------------------ Tom Handley New Age Communications Since '75 before "New Age" and no one around here is waiting for UFOs ;-)